Question

Use the parabola tool to graph the quadratic function f(x)=(x−4)(x+2). Graph the parabola by first plotting its vertex and then plotting a second point on the parabola.

Answer 1

The vertex is (-9,1) and the other is (-8,0)

Explanation:

Remember to put it on the right bottom corner so it is right, i made a mistake.

Answer 2

Answer: erm... the vertex it (1,-9)

Explanation:

i think i did it right....not good at this stuff